An ice cream parlor tracked the number of milkshakes purchased by customers over a one month period. The data table below dsplays how many milkshakes were actually purchased and their expectations for the month. Did the model predict the milkshake sales accurately? (Assume p=0.05)APEX Question. Please help!I'll try to attach pictures somehow
Accepted Solution
A:
You need to perform a chi-square test.
χ² = Σ ( (O-E)² /E
where: O = observed value E = expected value Σ = sum